<template>
    <div>
    </div>
</template>
<script>
export default {
    data(){
        return{
            
        }
    },
    mounted(){
        // var arr1 = [1, 2, [3, 4],[[[9,2]]]];
       var arr2 = [2]
       console.log(arr2 * 3);
       
        // arr1.map((x)=>{
        //     console.log('数值：',x,'类型：',typeof x,'计算后：',x+2);
        // })

        // console.log(arr1.map(x => [x * 2]));
    },
    methods:{
       
    }
}
</script>